In order to have the necessary information for https://savannah.nongnu.org/bugs/index.php?23102 and so the Legal Experts Group can take measures to ensure the legal status of SELF, each element needs to have a "Copyright history" attribute that contains the information about previous occurences of Copyright being contested, and their resolution.

The LEG will need an administrative interface in which the following actions are possible to take on the legal information of Materials: